Examples with IExtensionPoint org.eclipse.core.runtime.IExtensionPoint used on opensource projects

Example 41 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project mylyn.docs by eclipse.

the class WikiTextExtensionPointReader method initializeValidationRules.

private void initializeValidationRules() {
    initializeMarkupLanguages();
    synchronized (this) {
        if (validationRulesByLanguageName == null) {
            Map<String, ValidationRules> validationRulesByLanguageName = new HashMap<>();
            IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(getExtensionPointNamespace(), EXTENSION_VALIDATION_RULES);
            if (extensionPoint != null) {
                IConfigurationElement[] configurationElements = extensionPoint.getConfigurationElements();
                for (IConfigurationElement element : configurationElements) {
                    try {
                        // $NON-NLS-1$
                        String markupLanguage = element.getAttribute("markupLanguage");
                        if (markupLanguage == null || markupLanguage.length() == 0) {
                            // $NON-NLS-1$
                            throw new Exception(Messages.getString("WikiTextExtensionPointReader.4"));
                        }
                        if (!languageByName.containsKey(markupLanguage)) {
                            throw new Exception(MessageFormat.format(Messages.getString("WikiTextExtensionPointReader.5"), // $NON-NLS-1$
                            languageByName));
                        }
                        Object extension;
                        try {
                            // $NON-NLS-1$
                            extension = element.createExecutableExtension("class");
                        } catch (CoreException e) {
                            getLog().log(e.getStatus());
                            continue;
                        }
                        if (!(extension instanceof ValidationRule)) {
                            throw new Exception(MessageFormat.format(Messages.getString("WikiTextExtensionPointReader.7"), // $NON-NLS-1$
                            extension.getClass().getName()));
                        }
                        ValidationRules rules = validationRulesByLanguageName.get(markupLanguage);
                        if (rules == null) {
                            rules = new ValidationRules();
                            validationRulesByLanguageName.put(markupLanguage, rules);
                        }
                        rules.addValidationRule((ValidationRule) extension);
                    } catch (Exception e) {
                        log(IStatus.ERROR, // $NON-NLS-1$
                        MessageFormat.format(// $NON-NLS-1$
                        Messages.getString("WikiTextExtensionPointReader.8"), element.getDeclaringExtension().getContributor().getName(), EXTENSION_VALIDATION_RULES, e.getMessage()), e);
                    }
                }
            }
            // now that we have the basic validation rules, check for language extensions and connect the hierarchy
            // first ensure that all language names have templates defined
            Set<String> languageNames = getMarkupLanguageNames();
            for (String languageName : languageNames) {
                ValidationRules rules = validationRulesByLanguageName.get(languageName);
                if (rules == null) {
                    rules = new ValidationRules();
                    validationRulesByLanguageName.put(languageName, rules);
                }
            }
            // next connect the hierarchy
            for (String languageName : languageNames) {
                MarkupLanguage markupLanguage = getMarkupLanguage(languageName);
                if (markupLanguage != null && markupLanguage.getExtendsLanguage() != null) {
                    ValidationRules languageRules = validationRulesByLanguageName.get(languageName);
                    ValidationRules parentLanguageRules = validationRulesByLanguageName.get(markupLanguage.getExtendsLanguage());
                    languageRules.setParent(parentLanguageRules);
                }
            }
            this.validationRulesByLanguageName = validationRulesByLanguageName;
        }
    }
}

Example 42 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project dsl-devkit by dsldevkit.

the class ValidExtensionPointManager method getExtensions.

/**
 * Returns proxies for all registered extensions; does not cause the extension plug-ins to be loaded.
 * The proxies contain -- and can therefore be queried for -- all the XML attribute values that the
 * extensions provide in their <i>plugin.xml</i> file. Throws IllegalArgumentException
 * if extension point is unknown
 *
 * @return array of proxies
 */
public static ValidExtension[] getExtensions() {
    IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(PLUGIN_ID, EXTENSION_POINT_NAME);
    if (point == null) {
        throw new IllegalArgumentException(MessageFormat.format(UNKNOWN_EXTENSION_POINT, PLUGIN_ID, EXTENSION_POINT_NAME));
    }
    IExtension[] extensions = point.getExtensions();
    List<ValidExtension> found = new ArrayList<ValidExtension>();
    for (IExtension e : extensions) {
        ValidExtension obj = ValidExtension.parseExtension(e);
        if (obj != null) {
            found.add(obj);
        }
    }
    return found.toArray(new ValidExtension[found.size()]);
}

Example 43 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project tdq-studio-se by Talend.

the class PartListener method getConfigurationElement.

protected static IConfigurationElement getConfigurationElement() {
    IExtensionPoint pt = Platform.getExtensionRegistry().getExtensionPoint(EXTENSION_NAME);
    IExtension[] extensions = pt.getExtensions();
    for (IExtension extension : extensions) {
        for (IConfigurationElement configurationElement : extension.getConfigurationElements()) {
            return configurationElement;
        }
    }
    return null;
}

Example 44 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project tdq-studio-se by Talend.

the class CatalogNode method addExtensionNodes.

private void addExtensionNodes() {
    String databaseProductName = getSession().getRoot().getDatabaseProductName().toLowerCase().trim();
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint("net.sourceforge.sqlexplorer", "node");
    IExtension[] extensions = point.getExtensions();
    for (int i = 0; i < extensions.length; i++) {
        IExtension e = extensions[i];
        IConfigurationElement[] ces = e.getConfigurationElements();
        for (int j = 0; j < ces.length; j++) {
            try {
                // include only nodes that are attachted to the schema
                // node..
                String parent = ces[j].getAttribute("parent-node");
                if (parent.indexOf("catalog") == -1) {
                    continue;
                }
                boolean isValidProduct = false;
                String[] validProducts = ces[j].getAttribute("database-product-name").split(",");
                // include only nodes valid for this database
                for (int k = 0; k < validProducts.length; k++) {
                    String product = validProducts[k].toLowerCase().trim();
                    if (product.length() == 0) {
                        continue;
                    }
                    if (product.equals("*")) {
                        isValidProduct = true;
                        break;
                    }
                    String regex = TextUtil.replaceChar(product, '*', ".*");
                    if (databaseProductName.matches(regex)) {
                        isValidProduct = true;
                        break;
                    }
                }
                if (!isValidProduct) {
                    continue;
                }
                String imagePath = ces[j].getAttribute("icon");
                String id = ces[j].getAttribute("id");
                String type = ces[j].getAttribute("table-type").trim();
                AbstractNode childNode = (AbstractNode) ces[j].createExecutableExtension("class");
                childNode.setParent(this);
                childNode.setSession(_session);
                childNode.setType(type);
                String fragmentId = id.substring(0, id.indexOf('.', 28));
                if (imagePath != null && imagePath.trim().length() != 0) {
                    childNode.setImage(ImageUtil.getFragmentImage(fragmentId, imagePath));
                }
                _childNames.add(childNode.getLabelText());
                if (!isExcludedByFilter(childNode.getLabelText())) {
                    addChildNode(childNode);
                }
            } catch (Throwable ex) {
                SQLExplorerPlugin.error("Could not create child node", ex);
            }
        }
    }
}

Example 45 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project tdq-studio-se by Talend.

the class CatalogNode method findExtensionNode.

/**
 * Location extenstion nodes for a given tableType
 *
 * @param tableType for which to find extension node
 * @return INode or null if no extensions found
 */
private INode findExtensionNode(String tableType) {
    String databaseProductName = getSession().getRoot().getDatabaseProductName().toLowerCase().trim();
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IExtensionPoint point = registry.getExtensionPoint("net.sourceforge.sqlexplorer", "node");
    IExtension[] extensions = point.getExtensions();
    for (int i = 0; i < extensions.length; i++) {
        IExtension e = extensions[i];
        IConfigurationElement[] ces = e.getConfigurationElements();
        for (int j = 0; j < ces.length; j++) {
            try {
                // include only nodes that are attachted to the schema
                // node..
                String parent = ces[j].getAttribute("parent-node");
                if (parent.indexOf("catalog") == -1) {
                    continue;
                }
                boolean isValidProduct = false;
                String[] validProducts = ces[j].getAttribute("database-product-name").split(",");
                // include only nodes valid for this database
                for (int k = 0; k < validProducts.length; k++) {
                    String product = validProducts[k].toLowerCase().trim();
                    if (product.length() == 0) {
                        continue;
                    }
                    if (product.equals("*")) {
                        isValidProduct = true;
                        break;
                    }
                    String regex = TextUtil.replaceChar(product, '*', ".*");
                    if (databaseProductName.matches(regex)) {
                        isValidProduct = true;
                        break;
                    }
                }
                if (!isValidProduct) {
                    continue;
                }
                // check if it is the correct type
                String type = ces[j].getAttribute("table-type").trim();
                if (!type.equalsIgnoreCase(tableType)) {
                    continue;
                }
                AbstractNode childNode = (AbstractNode) ces[j].createExecutableExtension("class");
                childNode.setParent(this);
                childNode.setSession(_session);
                return childNode;
            } catch (Throwable ex) {
                SQLExplorerPlugin.error("Could not create child node", ex);
            }
        }
    }
    return null;
}